2021 JJ4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3471770000 ± 2.00e+00
Semi-major axis (a)0.8540161000 AU ± 3.00e+00
Inclination (i)4.48345000° ± 4.00e+00
Long. of Asc. Node (Ω)228.79465000° ± 5.00e+00
Arg. of Perihelion (ω)206.91866000° ± 6.00e+00
Mean Anomaly (M)34.23632000° ± 1.94e+04
Mean Motion (n)1.2488347500°/day ± 6.58e+00
Perihelion dist (q)0.55752140 AU ± 2.60e+00
Aphelion dist (Q)1.15051080 AU ± 4.39e+00
Orbital Period0.78922180 yr ± 4.16e+00
Physical Parameters
H (abs. magnitude)26.13
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.360″
Uncertainty8
Orbit TypeAten
MOID0.021404 AU
Observations Used9
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-05-11
Observations (9)
Date Type RA Dec Mag Band Observatory
2021-05-08 07:14:05 C 12 40 03.312 -08 39 51.20 U F51
2021-05-08 07:34:05 C 12 40 02.848 -08 38 53.71 U F51
2021-05-08 08:14:06 C 12 40 01.873 -08 36 58.29 U F51
2021-05-09 06:27:24 C 12 40 16.996 -07 36 59.74 V 568
2021-05-09 06:28:49 C 12 40 16.972 -07 36 56.19 V 568
2021-05-09 06:30:14 C 12 40 16.945 -07 36 52.62 V 568
2021-05-10 23:26:57 C 12 40 47.20 -06 02 20.9 V 807
2021-05-10 23:58:50 C 12 40 47.00 -06 01 17.2 V 807
2021-05-11 00:14:47 C 12 40 46.84 -06 00 44.7 V 807